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 Post subject: Brake pads carbon/alu
PostPosted: Sun Oct 10, 2004 10:56 am 
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Joined: Fri Jul 02, 2004 2:01 pm
Posts: 86
Location: Belgium
Does someone know if there are braking pads that can be used for full carbon rims and alu rims? So I shouldn't replace them everytime I change wheelset.


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 Post subject: Brake pads carbon/alu
Posted: Sun Oct 10, 2004 10:56 am 


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 Post subject:
PostPosted: Sun Oct 10, 2004 11:33 am 
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WWotY 2007
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Joined: Sat Jul 10, 2004 5:37 pm
Posts: 1476
Location: France.
You should use the "research" fonction of the forum.
You'll see that any pads cant do both.You can use pads for both,but you will irremediably damage the carbon rim because of smalls aluminium particles which are stayed on the pads while braking on aluminium rims.

So only one solution:change the pads everytime you change the wheel.

Bye.

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 Post subject:
PostPosted: Sun Oct 10, 2004 1:43 pm 
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Joined: Tue Aug 10, 2004 6:19 pm
Posts: 338
Hi I´am actually using the Shimano Pads for Carbon rims and it work well in dry like in wet conditions.


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 Post subject:
PostPosted: Sun Oct 10, 2004 1:44 pm 
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Joined: Tue Aug 10, 2004 6:19 pm
Posts: 338
Sorry forgot something....... on Skyriums naturly.........


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 Post subject:
PostPosted: Sun Oct 10, 2004 4:34 pm 
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Location: France.
Ok on Ksyrium but not on Ksyrium+carbon wheels.If you do it,you'll damage the carbon rim,when I see the price of it,I think it's better to change everytime the pads...

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 Post subject:
PostPosted: Mon Oct 11, 2004 5:14 pm 
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Joined: Wed Oct 08, 2003 4:15 am
Posts: 3303
Location: tucson
...or you could file out the alu shards from the pads everytime you switch wheels and probably be OK.


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PostPosted: Mon Oct 11, 2004 7:10 pm 
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Joined: Sat Dec 13, 2003 2:25 am
Posts: 4774
Location: Canada
Adrien, that is an interesting thought.

I agree with you about switching pads for different wheel types (as much of a pain as that is), but because the braking performance on carbon is much better with cork pads than any others that I have tried (Campagnolo, Zipp, Koolstop etc.). I have never tried cork pads on alloy rims, though. If anyone has tried it, that would be interesting to hear about, too.

I would have thought that all the junk that the wheels and pads pick-up on the road would be more damaging to a carbon rim than any aluminium dust that might wear off from a wheel. Is there a study or a manufacturer's warning about damage to rims caused by aluminum dust? As a lot of guys here seem to have carbon wheels, this would be very valuable information.

Thanks


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 Post subject:
PostPosted: Mon Oct 11, 2004 10:09 pm 
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Joined: Wed Oct 08, 2003 4:15 am
Posts: 3303
Location: tucson
why would manufacturers make pads that are compatible with alu/carbon rims if you couldn't use them on both?


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 Post subject:
PostPosted: Tue Oct 12, 2004 1:14 am 
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Joined: Thu May 06, 2004 3:11 pm
Posts: 554
Location: Detroit-USA
It is not aluminum dust but actually small 'splinters' of aluminum which are removed from the the aluminum rim. With very fine tweezers or an X-Acto blade they can be removed. Look at your pads and you will see these fragments- fine for aluminum rims but destructive to carbon.


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 Post subject: Brake pads carbon/alu
PostPosted: Sun Feb 12, 2012 8:44 am 
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Joined: Tue Aug 17, 2010 9:15 pm
Posts: 14
Hi,
Was very surprised to hear from the guys in the LBS that they have no concerns about using same pads for aluminum and carbon wheels. They recommended getting Zipp cork pads and be done with the constant swapping of pads then. I specifically asked whether they didn't see the risk t damage the carbon with little aluminum shards or so and they dismissed this notion. Any thoughts? Find it appealing as swapping pads on my new Felt with the brake between the crank arms doesn't sound too convenient...


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PostPosted: Sun Feb 12, 2012 6:29 pm 
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Joined: Fri Oct 28, 2011 3:25 am
Posts: 1348
Location: United Kingdom of Great Britain and Northern Ireland
Mathieu wrote:
Does someone know if there are braking pads that can be used for full carbon rims and alu rims? So I shouldn't replace them everytime I change wheelset.


Yup. These: http://www.trpbrakes.com/category.php?p ... 7&subcat=0


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PostPosted: Sun Feb 12, 2012 9:00 pm 
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Joined: Sun Mar 27, 2011 8:16 pm
Posts: 443
I'd not seen those TRP's before.

However- just because you can do something, does not mean that you should.

Carbon rims are not cheap, I'd rather swap the pads and not run the risk of writing off a pair of rims.

Last year I swapped the entire shoe/pad assembly when changing wheels, this year I have the EE brake shoes- which are great, just pull the pad out and chuck the new one in.


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PostPosted: Sun Feb 12, 2012 10:19 pm 
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Joined: Tue Nov 11, 2003 9:47 pm
Posts: 2196
Location: Santa Cruz, California, USA
Even with regular Shimano style pad holders it's easy to swap pads. It takes like 2 minutes if you're slow.
Besides contaminating the pads with aluminium shards which then chew up the carbon, using one pad for both materials means that your pads will be a compromise. They won't work as well as aluminium specific pads on aluminium and carbon specific pads on carbon.


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PostPosted: Mon Feb 13, 2012 12:09 am 
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Joined: Tue Sep 26, 2006 12:37 am
Posts: 5752
Location: Phoenix Arizona
tovarin wrote:
Hi,
Was very surprised to hear from the guys in the LBS that they have no concerns about using same pads for aluminum and carbon wheels. They recommended getting Zipp cork pads and be done with the constant swapping of pads then. I specifically asked whether they didn't see the risk t damage the carbon with little aluminum shards or so and they dismissed this notion. Any thoughts? Find it appealing as swapping pads on my new Felt with the brake between the crank arms doesn't sound too convenient...



My thought is go find another shop...


Dont use one set of pads and swap between Alu and Carbon wheels without changing them.

Just dont...

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charles@pezcyclingnews.com


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Posted: Mon Feb 13, 2012 12:09 am 


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PostPosted: Mon Feb 13, 2012 12:24 am 
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Joined: Mon Nov 02, 2009 8:38 pm
Posts: 293
Has anyone ever actually documented damage caused to a carbon rim by not switching pads? Because for all the warnings, I've never seen any real evidence.

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